#3878C0#3878C0

#3878C0 is a mid, vivid cyan. Relative luminance 0.181; OKLCH L 56.6% C 0.130 H 253.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX#3878C0
RGBrgb(56, 120, 192)
HSLhsl(212, 55%, 49%)
HSVhsv(212, 71%, 75%)
CMYKcmyk(70.8%, 37.5%, 0%, 24.7%)
CIE-LABlab(49.59, 3.66, -43.65)
CIE-LCHlch(49.59, 43.80, 274.79°)
OKLaboklab(56.59% -0.0372 -0.1242)
OKLCHoklch(56.59% 0.13 253.3)
XYZxyz(17.8583, 18.0775, 52.4071)
Luminance0.1808 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3878C0 #C08038
analogous
#38BCC0 #3878C0 #3C38C0
triadic
#3878C0 #C03878 #78C038
tetradic
#3878C0 #C038BC #C08038 #38C03C
square
#3878C0 #C038BC #C08038 #38C03C
split-complementary
#3878C0 #C03C38 #BCC038
monochromatic
#1C3D61 #2A5A91 #3878C0 #6497D2 #93B7DF

Accessibility & contrast

On white

4.55
#3878C0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.62
#3878C0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3878C0
4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3878C0#FFFFFF#000000##000000
##3878C01.004.554.624.62
#FFFFFF4.551.0021.0021.00
#0000004.6221.001.001.00
##0000004.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#577DC3
Deuteranopia (green-blind)
#4370BF
Tritanopia (blue-blind)
#008993
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #3878c0;
/* rgb */ color: rgb(56, 120, 192);
/* oklch */ color: oklch(56.6% 0.130 253.3);
Tailwind
colors: {
  custom: {
    50: '#7f9ed3',
    500: '#3878c0',
    950: '#000000',
  },
}
SCSS
$custom: #3878c0;
$custom-light: #7f9ed3;
$custom-dark: #000000;
JSON
{
  "hex": "#3878c0",
  "rgb": {
    "r": 56,
    "g": 120,
    "b": 192
  },
  "hsl": {
    "h": 211.765,
    "s": 54.839,
    "l": 48.627
  },
  "oklch": {
    "l": 0.56588,
    "c": 0.12968,
    "h": 253.3
  },
  "luminance": 0.18079
}

Semantic roles & 50–950 ramp

primary
#3878C0
secondary
#CBAC89
accent
#984ADE
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83

Preview Lab

Preview with #3878C0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#3878C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva